Clinochlore Zanazzi P F, Montagnoli M, Nazzareni S, Comodi P American Mineralogist 91 (2006) 1871-1878 Structural effects of pressure on chlorite: A single-crystal study Locality: Alpe Reguzzolo, Val Malenco, Italy Sample: P = 4.85 GPa _database_code_amcsd 0004254 5.252 9.106 14.11 90.1 97.3 89.93 C-1 atom x y z occ Uiso MgM1 0 0 0 .9 .005 FeM1 0 0 0 .1 .005 MgM2 0 .3331 -.0003 .9 .0069 FeM2 0 .3331 -.0003 .1 .0069 MgM3 -.0005 .1671 .4995 .9 .0048 FeM3 -.0005 .1671 .4995 .1 .0048 AlM4 0 .5 .5 .004 Si1 .2312 .1677 .191 .006 Al1 .2312 .1677 .191 .006 Si2 .7312 .0007 .191 .009 Al2 .7312 .0007 .191 .009 O1 .189 .1665 .077 .020 O2 .695 .0002 .082 .015 O3 .200 .3339 .235 .020 O4 .522 .1071 .239 .018 O5 .021 .0620 .240 .017 OH1 .700 .3327 .087 .006 OH2 .142 -.0005 .418 .015 OH3 .139 .3338 .420 .016 OH4 .641 .1661 .421 .010